#!/bin/bash
# Copyright 2016, Google Inc.
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#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

set -ex

cd $(dirname $0)/../..

DIFF_COMMAND="git diff --name-only HEAD | grep -v ^third_party/"

if [ "x$1" == 'x--pre-commit' ]; then
  if eval $DIFF_COMMAND | grep '^build.yaml$'; then
    ./tools/buildgen/generate_projects.sh
  else
    templates=$(eval $DIFF_COMMAND | grep '\.template$' || true)
    if [ -n "$templates" ]; then
      ./tools/buildgen/generate_projects.sh --templates $templates
    fi
  fi
  CHANGED_FILES=$(eval $DIFF_COMMAND) ./tools/distrib/clang_format_code.sh
  ./tools/distrib/check_copyright.py --fix --precommit
  ./tools/distrib/check_trailing_newlines.sh
else
  ./tools/buildgen/generate_projects.sh
  ./tools/distrib/clang_format_code.sh
  ./tools/distrib/check_copyright.py --fix
  ./tools/distrib/check_trailing_newlines.sh
fi
